What should a masonry chimney's height be in relation to the nearest building structure?

The height of a masonry chimney should be higher than the nearest building structure. This requirement is in place to ensure proper draft and ventilation, which are crucial for the safe operation of the chimney. A chimney that is too short may not effectively carry combustion gases away from the home, resulting in potential hazards such as smoke or carbon monoxide entering the living space. Additionally, a chimney that is higher than nearby structures helps prevent downdrafts and ensures that the exhaust gases are expelled at a sufficient height to avoid interference with the air intake of the building or surrounding areas.

When considering chimney height, factors such as the height of the adjacent roof and the distance of the chimney from the building and other obstacles also play a significant role in determining the appropriate height. Proper chimney height contributes to the overall safety and efficiency of the heating system, making it essential to follow these guidelines during installation and inspection.